CN104267548A - Pixel Structure Of Display Panel - Google Patents

Pixel Structure Of Display Panel Download PDF

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Publication number
CN104267548A
CN104267548A CN201410534173.1A CN201410534173A CN104267548A CN 104267548 A CN104267548 A CN 104267548A CN 201410534173 A CN201410534173 A CN 201410534173A CN 104267548 A CN104267548 A CN 104267548A
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CN
China
Prior art keywords
pixel electrode
orientation district
branch electrodes
orientation
dot structure
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Granted
Application number
CN201410534173.1A
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Chinese (zh)
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CN104267548B (en
Inventor
郑伟成
丁天伦
锺介文
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AU Optronics Corp
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AU Optronics Corp
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • G02F1/133757—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle with different alignment orientations
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134318—Electrodes characterised by their geometrical arrangement having a patterned common electrode
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Geometry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

A pixel structure of a display panel comprises a first substrate, a second substrate, a liquid crystal layer, a first pixel electrode, an insulating layer, a second pixel electrode and a common electrode. The first substrate is provided with a plurality of alignment areas, and the second substrate is arranged opposite to the first substrate. The first pixel electrode is a patterned electrode which comprises a plurality of branch electrodes positioned in the alignment area. The insulating layer is arranged between the first pixel electrode and the liquid crystal layer. The second pixel electrode is a patterned electrode disposed on at least one boundary of each alignment region. The common electrode is arranged on the second substrate. The pixel structure of the display panel can effectively eliminate the irregular arrangement phenomenon of liquid crystal molecules, avoid the generation of dark stripes and improve the penetration rate.

Description

The dot structure of display panel
Technical field
The present invention about a kind of dot structure of display panel, espespecially a kind of dot structure with the display panel of high penetration.
Background technology
Display panels is owing to having the advantages such as compact and energy-conservation, be widely used in various electronic product, as smart mobile phone (smart phone), notebook computer (notebook computer), panel computer (tablet PC) and TV (TV) etc.Generally speaking, display panels mainly comprises a first substrate such as array base palte, a second substrate such as subtend substrate and a liquid crystal layer and is arranged between first substrate and second substrate.In addition, first substrate is provided with pixel electrode, second substrate is provided with common electrode, and the electric field that liquid crystal molecule can be formed by the voltage difference of pixel electrode and common electrode is driven, to play Presentation Function.Along with the fast development of large scale liquid crystal display panel, display panels must possess wide viewing angle characteristic, the demand in use can be met, and in order to reach wide viewing angle Presentation Function, multiple orientation district can be formed in each pixel, and pixel electrode comprises multiple branch electrodes extended along different directions, the liquid crystal molecule by this in different alignment district can be toppled over towards different directions when driving.But, due to when actual displayed, particularly when showing high gray picture, the electric field being positioned at the edge of branch electrodes can produce distortion because fringe field effects is excessive, liquid crystal molecule is produced irregularly to topple over, thus form display frame can produce dark line and reduce liquid crystal efficiency, and then make penetrance reduce and have a strong impact on display quality.
Summary of the invention
An object of the present invention is the dot structure providing a kind of display panel, to avoid dark line and to promote penetrance.
One embodiment of the invention provide a kind of dot structure of display panel, comprise a first substrate, a second substrate, a liquid crystal layer, one first pixel electrode, an insulation course, one second pixel electrode and a common electrode.First substrate has multiple orientation district, and described multiple orientation district comprises one first orientation district, one second orientation district, one the 3rd orientation district and one the 4th orientation district.Second substrate and first substrate are in the face of arranging.Liquid crystal layer comprises multiple liquid crystal molecule, and wherein liquid crystal molecule is arranged between first substrate and second substrate, and be positioned at the first orientation district, the second orientation district, the 3rd orientation district and the 4th orientation district liquid crystal molecule there is different alignment direction.First pixel electrode is arranged on first substrate, wherein the first pixel electrode is a patterned electrodes, it comprises, and many articles of the first branch electrodes are arranged in the first orientation district, many articles of the second branch electrodes are arranged in the second orientation district, many articles of the 3rd branch electrodes are arranged in the 3rd orientation district, and many articles of the 4th branch electrodes are arranged in the 4th orientation district.The first branch is at least partially in fact along a first direction arrangement, the second branch is at least partially in fact along a second direction arrangement, the 3rd branch is at least partially in fact along a third direction arrangement, and the 4th branch is at least partially in fact along a fourth direction arrangement, wherein first direction, second direction, third direction and fourth direction are different from each other.First branch electrodes, the second branch electrodes, the 3rd branch electrodes and the 4th branch electrodes are electrically connected.Insulation course to be arranged on first substrate and to cover the first pixel electrode.Second pixel electrode is arranged on insulation course, and wherein the second pixel electrode is a patterned electrodes, is arranged at least one border in each orientation district.Common electrode is arranged on second substrate.
Another embodiment of the present invention provides a kind of dot structure of display panel, comprises a first substrate, a second substrate, a liquid crystal layer, one first pixel electrode, a patterned insulation layer and a common electrode.First substrate has multiple orientation district, and orientation district comprises one first orientation district, one second orientation district, one the 3rd orientation district and one the 4th orientation district.Second substrate and first substrate are in the face of arranging.Liquid crystal layer comprises multiple liquid crystal molecule, and wherein liquid crystal molecule is arranged between first substrate and second substrate, and be positioned at the first orientation district, the second orientation district, the 3rd orientation district and the 4th orientation district liquid crystal molecule there is different alignment direction.First pixel electrode is arranged on first substrate, and wherein the first pixel electrode is essentially one whole electrode, is arranged in the first orientation district, the second orientation district, the 3rd orientation district and the 4th orientation district.Patterned insulation layer to be arranged on first substrate and to cover the first pixel electrode.Patterned insulation layer comprises that many articles first insulation branch patterns are arranged at the first orientation district in, many articles second insulation branch patterns are arranged at the second orientation district in, many articles the 3rd branch's patterns that insulate are arranged in the 3rd orientation district, and many articles the 4th branch's patterns that insulate are arranged in the 4th orientation district.The first insulation branch pattern at least partially extends towards a first direction in fact, the second insulation branch pattern at least partially extends towards a second direction in fact, the 3rd insulation branch pattern at least partially extends towards a third direction in fact, and the 4th insulation branch pattern at least partially extends towards a fourth direction in fact, wherein first direction, second direction, third direction and fourth direction are different from each other.Common electrode is arranged on second substrate.
Accompanying drawing explanation
Fig. 1 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the first embodiment of the present invention.
Fig. 2 depicts the upper schematic diagram of the insulation course of the dot structure of the display panel of the first embodiment of the present invention.
Fig. 3 depicts the upper schematic diagram of the second pixel electrode of the dot structure of the display panel of the first embodiment of the present invention.
Fig. 4 depicts the upper schematic diagram of dot structure when not being subject to electric field driven of the display panel of the first embodiment of the present invention.
The diagrammatic cross-section of the dot structure of display panel of Fig. 5 for illustrating along the A-A ' hatching line of Fig. 4.
Fig. 6 depicts the upper schematic diagram of dot structure when being subject to electric field driven of the display panel of the first embodiment of the present invention.
The diagrammatic cross-section of the dot structure of display panel of Fig. 7 for illustrating along the A-A ' hatching line of Fig. 6.
Fig. 8 depicts the penetrance distribution plan of the dot structure of the dot structure of the display panel of the present embodiment and the display panel of comparative examples.
Fig. 9 depicts the penetrance of the dot structure of the dot structure of the display panel of the present embodiment and the display panel of comparative examples and the graph of a relation of driving voltage.
Figure 10 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the second embodiment of the present invention.
Figure 11 depicts the upper schematic diagram of the dot structure of the display panel of the second embodiment of the present invention.
The diagrammatic cross-section of the dot structure of display panel of Figure 12 for illustrating along the B-B ' hatching line of Figure 11.
Figure 13 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the third embodiment of the present invention.
Figure 14 depicts the upper schematic diagram of the dot structure of the display panel of the third embodiment of the present invention.
The diagrammatic cross-section of the dot structure of display panel of Figure 15 for illustrating along the C-C ' hatching line of Figure 14.
Figure 16 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the fourth embodiment of the present invention.
Figure 17 depicts the upper schematic diagram of the dot structure of the display panel of the fourth embodiment of the present invention, the diagrammatic cross-section of the dot structure of display panel of Figure 18 for illustrating along the D-D ' hatching line of Figure 17.
Figure 19 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the fifth embodiment of the present invention.
Figure 20 depicts the upper schematic diagram of the dot structure of the display panel of the fifth embodiment of the present invention.
The diagrammatic cross-section of the dot structure of display panel of Figure 21 for illustrating along the F-F ' hatching line of Figure 20.
Figure 22 depicts the upper schematic diagram of the dot structure of the display panel of an alternate embodiment of the fifth embodiment of the present invention.
Figure 23 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the sixth embodiment of the present invention.
Figure 24 depicts the upper schematic diagram of the dot structure of the display panel of the sixth embodiment of the present invention.
Figure 25 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the seventh embodiment of the present invention.
Figure 26 depicts the upper schematic diagram of the patterned insulation layer of the dot structure of the display panel of the seventh embodiment of the present invention.
Figure 27 depicts the upper schematic diagram of the second pixel electrode of the dot structure of the display panel of the seventh embodiment of the present invention.
Figure 28 depicts the upper schematic diagram of the dot structure of the display panel of the seventh embodiment of the present invention.
The diagrammatic cross-section of the dot structure of display panel of Figure 29 for illustrating along the E-E ' hatching line of Figure 28.
Figure 30 depicts the upper schematic diagram of the dot structure of the display panel of the eighth embodiment of the present invention.
The diagrammatic cross-section of the dot structure of display panel of Figure 31 for illustrating along the G-G ' hatching line of Figure 30.
[main element description of reference numerals]
The dot structure of 1 display panel
10 first substrates
20 second substrates
30 liquid crystal layers
12 first pixel electrodes
14 insulation courses
16 second pixel electrodes
22 common electrodes
101 first orientation districts
102 second orientation districts
103 the 3rd orientation districts
104 the 4th orientation districts
LC liquid crystal molecule
12M main part
121 first branch electrodes
122 second branch electrodes
123 the 3rd branch electrodes
124 the 4th branch electrodes
12S slit
18 first alignment films
24 second alignment films
121A first end
122A first end
123A first end
124A first end
Z vertical projection direction
D1 first direction
D2 second direction
D3 third direction
D4 fourth direction
12P outer frame
121B second end
122B second end
123B second end
124B second end
The dot structure of 2 display panels
The dot structure of 3 display panels
S1 first side
S2 second side
S3 the 3rd side
S4 four side
The dot structure of 4 display panels
12X opening
The dot structure of 5 display panels
The dot structure of 5 ' display panel
15 patterned insulation layers
151 first insulation branch patterns
152 second insulation branch patterns
153 the 3rd insulation branch patterns
154 the 4th insulation branch patterns
15S slit
15M insulative body portion
Z1 first side
Z2 second side
Z3 the 3rd side
Z4 four side
151A one end
152A one end
153A one end
154A one end
The dot structure of 6 display panels
The dot structure of 7 display panels
The dot structure of 8 display panels
Embodiment
For making the general those skilled in the art being familiar with the technical field of the invention further can understand the present invention, hereafter spy enumerates preferred embodiment of the present invention, and coordinates institute's accompanying drawings, describe in detail constitution content of the present invention and the effect for reaching.
Please refer to Fig. 1 to Fig. 5.Fig. 1 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the first embodiment of the present invention, Fig. 2 depicts the upper schematic diagram of the insulation course of the dot structure of the display panel of the first embodiment of the present invention, Fig. 3 depicts the upper schematic diagram of the second pixel electrode of the dot structure of the display panel of the first embodiment of the present invention, Fig. 4 depicts the upper schematic diagram of dot structure when not being subject to electric field driven of the display panel of the first embodiment of the present invention, and the diagrammatic cross-section of the dot structure of display panel of Fig. 5 for illustrating along the A-A ' hatching line of Fig. 4, wherein in order to highlight the feature of the dot structure of display panel of the present invention, Fig. 4 only shows first substrate and upper rete thereof, and do not show second substrate and the element such as upper rete and liquid crystal layer thereof.As shown in Fig. 4 to Fig. 5, the dot structure 1 of the display panel of the present embodiment comprises first substrate 10, second substrate 20, liquid crystal layer 30, first pixel electrode 12, insulation course 14, second pixel electrode 16 and common electrode 22.First substrate 10 has multiple orientation district.For example, the orientation district of the present embodiment comprises the first orientation district 102 of orientation district 101, second, the 3rd orientation district 103 and the 4th orientation district 104, but not as limit.Such as, the number in orientation district can be changed.In addition, the area in the first orientation district 102 of orientation district 101, second of the present embodiment, the 3rd orientation district 103 and the 4th orientation district 104 is identical in fact with shape, but not as limit.Such as, orientation district can have different area and/or different shapes.Second substrate 20 and first substrate 10 are in the face of arranging.First substrate 10 and second substrate 20 can be respectively transparency carrier such as glass substrate, quartz base plate, plastic substrate or other hard substrate be applicable to or flexible substrate.In the present embodiment, first substrate 10 is array basal plate (or being called thin film transistor base), first substrate 10 can be arranged on-off element such as membrane transistor element, wire such as gate line, data line and common line, colored filter, storage capacitors element or other necessary element, and the position of said elements and function etc. are known in the art knows, do not repeat them here.In addition, second substrate 20 is subtend substrate, second substrate 20 can be arranged light-shielding pattern such as black matrix", colored filter or other necessary element, and the position of said elements and function etc. are known in the art knows, and does not repeat them here.Liquid crystal layer 30 comprises multiple liquid crystal molecule LC, wherein liquid crystal molecule LC is arranged between first substrate 10 and second substrate 20, and be positioned at the first orientation district 102 of orientation district 101, second, the liquid crystal molecule LC in the 3rd orientation district 103 and the 4th orientation district 104 has different alignment direction.The liquid crystal molecule LC of the present embodiment can be vertical orientation type (VA) liquid crystal molecule, and can be negative type liquid crystal molecule, but not as limit.As shown in Fig. 1, Fig. 4 and Fig. 5, the first pixel electrode 12 is arranged on first substrate 10.First pixel electrode 12 of the present embodiment is transparency electrode, and its material is transparent conductive material such as tin indium oxide (ITO), indium zinc oxide (IZO) or other transparent conductive material, but not as limit.In other alternate embodiment, the first pixel electrode 12 also can be opaque electrode, and its material can be opaque conductive material such as metal.In addition, the first pixel electrode 12 can be single layer structure or composite bed stacking structure.First pixel electrode 12 is a patterned electrodes, it comprises many branch electrodes, branch electrodes comprises that many articles of the first branch electrodes 121 are arranged in the first orientation district 101, many articles of the second branch electrodes 122 are arranged in the second orientation district 102, many articles of the 3rd branch electrodes 123 are arranged in the 3rd orientation district 103, and many articles of the 4th branch electrodes 124 are arranged in the 4th orientation district 104, wherein the first branch electrodes 121, second branch electrodes 122, the 3rd branch electrodes 123 and the 4th branch electrodes 124 are electrically connected.In addition, the first branch 121 at least partially arranges along a first direction D1 in fact, the second branch 122 is at least partially in fact along a second direction D2 arrangement, the 3rd branch 123 at least partially arranges along a third direction D3 in fact, and the 4th branch 124 is at least partially in fact along a fourth direction D4 arrangement, wherein first direction D1, second direction D2, third direction D3 and fourth direction D4 are different from each other.In addition, between wantonly two adjacent branch electrodes, all there is a slit (slit) 12S.Insulation course 14 to be arranged on first substrate 10 and to cover the first pixel electrode 12.As shown in Fig. 2 and Fig. 4, the insulation course 14 of the present embodiment is one whole insulation course, that is, insulation course 14 is complete haply contains the first orientation district 102 of orientation district 101, second, the 3rd orientation district 103 and the 4th orientation district 104 and complete covering first pixel electrode 12, but not as limit.As shown in Figures 3 to 5, the second pixel electrode 16 is arranged on insulation course 14, and wherein the second pixel electrode 16 is also a patterned electrodes, and it is arranged at least one border in each orientation district.Speak by the book, second pixel electrode 16 of the present embodiment is positioned at the common boundary in wantonly two adjacent orientation districts, that is, second pixel electrode 16 between the first orientation district 101 and the second orientation district 102, between the second orientation district 102 and the 3rd orientation district 103, between the 3rd orientation district 103 and the 4th orientation district 104, and between the 4th orientation district 104 and the first orientation district 101.Second pixel electrode 16 of the present embodiment is transparency electrode, and its material is transparent conductive material such as tin indium oxide (ITO), indium zinc oxide (IZO) or other transparent conductive material, but not as limit.In other alternate embodiment, the second pixel electrode 16 also can be opaque electrode, and its material can be opaque conductive material such as metal.Second pixel electrode 16 can be single layer structure or composite bed stacking structure.Common electrode 22 is arranged on second substrate 20.The common electrode 22 of the present embodiment is transparency electrode, and its material is transparent conductive material such as tin indium oxide (ITO), indium zinc oxide (IZO) or other transparent conductive material, but not as limit.In addition, the common electrode 22 of the present embodiment is one whole electrode, and that is, common electrode 22 is complete haply contains the first orientation district 102 of orientation district 101, second, the 3rd orientation district 103 and the 4th orientation district 104, and not there is slit or opening etc., but not as limit.As shown in Figure 5, the dot structure 1 of the display panel of the present embodiment separately comprises one first alignment film 18 and one second alignment film 24.First alignment film 18 to be arranged on first substrate 10 and to cover insulation course 14 and the second pixel electrode 16, and the second alignment film 24 to be arranged on second substrate 20 and to cover common electrode 22.That is, the first alignment film 18 and the second alignment film 24 lay respectively at the two opposite sides of liquid crystal layer 30, in order to carry out orientation to liquid crystal molecule LC.In the present embodiment, the first alignment film 18 and the second alignment film 24 can utilize high molecular polymerization orientation (polymer stabilized alignment, PSA) technology to be formed, but not as limit.For example, the first alignment film 18 has one first polymerization macromolecule and assists both alignment layers, and the second alignment film 24 has one second polymerization macromolecule assists both alignment layers, but not as limit.
In the present embodiment, the first pixel electrode 12 separately comprises main part 12M.The main part 12M of the first pixel electrode 12 is positioned at the common boundary in wantonly two adjacent orientation districts, that is, main part 12M between the first orientation district 101 and the second orientation district 102, between the second orientation district 102 and the 3rd orientation district 103, between the 3rd orientation district 103 and the 4th orientation district 104, and between the 4th orientation district 104 and the first orientation district 101.In addition, the main part 12M of the first pixel electrode 12 is connected with the first end 124A of the first end 122A of the first end 121A of each first branch electrodes 121, each second branch electrodes 122, the first end 123A of each 3rd branch electrodes 123 and each 4th branch electrodes 124 respectively.On a vertical projection direction Z, main part 12M and second pixel electrode 16 of the first pixel electrode 12 overlap in fact each other.For example, main part 12M and second pixel electrode 16 of the first pixel electrode 12 comprise cruciform electrode in fact respectively, and the width of the main part 12M of the first pixel electrode 12 is greater than the width of the second pixel electrode 16, but not as limit.Watched by vertical projection direction Z, first substrate 10 is distinguished into four quadrants by the main part 12M of the first pixel electrode 12, and the first orientation district 102 of orientation district 101, second, the 3rd orientation district 103 and the 4th orientation district 104 lay respectively at first quartile, the second quadrant, third quadrant and fourth quadrant.In the present embodiment, first branch electrodes 121 extends arrangement along first direction D1 in fact, second branch electrodes 122 extends arrangement along second direction D2 in fact, 3rd branch electrodes 123 extends arrangement along third direction D3 in fact, and the 4th branch electrodes 124 extends arrangement along fourth direction D4 in fact.In addition, first direction D1 is perpendiculared to one another in fact with second direction D2, and second direction D2 is perpendiculared to one another in fact with third direction D3, and third direction D3 is perpendiculared to one another in fact with fourth direction D4, and fourth direction D4 is perpendiculared to one another in fact with first direction D1.For example, if the position angle of the horizontal direction to the right of Fig. 1 is defined as 0 degree, and be counterclockwise defined as forward, then first direction D1 is essentially 45 degree, second direction D2 is essentially 135 degree, third direction D3 is essentially 225 degree, and fourth direction D4 is essentially 315 degree, but not as limit.In an alternate embodiment, first direction D1, second direction D2, third direction D3 and fourth direction D4 can out of plumb each other.For example, the angle of first direction D1 and fourth direction D4 can be 80 degree, and the angle of second direction D2 and third direction D3 can be 80 degree.In addition, the first pixel electrode 12 separately can comprise an outer frame 12P.Outer frame 12P is around orientation district 102 of encirclement first orientation district 101, second, the 3rd orientation district 103 and the 4th orientation district 104 and connect the first branch electrodes 121, second branch electrodes 122, the 3rd branch electrodes 123 and the 4th branch electrodes 124, for example, outer frame 12P is connected with the second end 124B of the second end 122B of the second end 121B of each first branch electrodes 121, each second branch electrodes 122, the second end 123B of each 3rd branch electrodes 123 and each 4th branch electrodes respectively.
The type of drive of the dot structure of the display panel of the present embodiment is as described below.As shown in figs. 4 and 5, when liquid crystal molecule LC is not when being subject to electric field driven, be positioned at the first orientation district 102 of orientation district 101, second, the liquid crystal molecule LC in the 3rd orientation district 103 and the 4th orientation district 104 in fact can standing upright, and respectively towards first direction D1, second direction D2, third direction D3 and fourth direction D4 pre-dumping (pre tilt).Refer again to Fig. 6 and Fig. 7.Fig. 6 depicts the upper schematic diagram of dot structure when being subject to electric field driven of the display panel of the first embodiment of the present invention, and the diagrammatic cross-section of the dot structure of display panel of Fig. 7 for illustrating along the A-A ' hatching line of Fig. 6.As shown in Figures 6 and 7, in the present embodiment, first pixel electrode 12 is electrically connected with the drain electrode of on-off element (not shown), one first driving voltage (such as pixel voltage) can be had by this, and common electrode 22 and common line (not shown) are electrically connected, common electric voltage can be had by this.In addition, the second pixel electrode 16 can be electrically connected with the first pixel electrode 12, and has the first driving voltage (such as pixel voltage) equally.When liquid crystal molecule LC is at the electric field be subject between the first pixel electrode 12 and common electrode 22 and the electric field driven between the second pixel electrode 16 and common electrode 22, is positioned at the first orientation district 102 of orientation district 101, second, the liquid crystal molecule LC in the 3rd orientation district 103 and the 4th orientation district 104 can topple over and have different alignment direction.For example, be positioned at the first orientation district 102 of orientation district 101, second, the liquid crystal molecule LC in the 3rd orientation district 103 and the 4th orientation district 104 can topple over towards first direction D1, second direction D2, third direction D3 and fourth direction D4 in fact respectively.Because the edge of the stem portion 12M of the first pixel electrode 12 and the edge of branch electrodes can produce electric field distorting because fringe field effects is excessive, therefore the insulation course 14 be arranged between the first pixel electrode 12 and liquid crystal layer 30 has isolation features, the impact of fringe field on liquid crystal molecule LC can be weakened, and then make the liquid crystal molecule LC corresponding to the edge of stem portion 12M and the edge of branch electrodes only experience electric field distorting slightly, make liquid crystal molecule LC when high voltage operation, can not affect by being strong electric field distorting and depart from the direction in orientation district, and then raising penetrance.In addition, second pixel electrode 16 can provide the equipotential plane of rule to change, it can replace the fringe field of the stem portion 12M of the first pixel electrode 12, play the effect driving liquid crystal molecule LC, effectively can reduce the black line width of the common boundary (intersection) in orientation district, and then improve penetrance.Above type of drive, effectively can eliminate the irregular alignment phenomenon of liquid crystal molecule LC, and avoids dark line to produce.What deserves to be explained is, in other alternate embodiment, the second pixel electrode 16 also can not be electrically connected with the first pixel electrode 12, and has similar and different in first driving voltage (such as pixel voltage) of the first pixel electrode 12.For example, the second pixel electrode 16 can have one second driving voltage, and better the first driving voltage being greater than the first pixel electrode 12 of the second driving voltage of the second pixel electrode 16, but not as limit.In addition, second driving voltage can be provided by a fixed voltage source, namely the second pixel electrode 16 of each dot structure has the second identical driving voltage, or the second pixel electrode 16 of each dot structure controls such as membrane transistor element by the on-off element of a correspondence respectively), the second pixel electrode 16 of each dot structure can have the second different driving voltages by this.
Please refer to Fig. 8.Fig. 8 depicts the penetrance distribution plan of the dot structure of the dot structure of the display panel of the present embodiment and the display panel of comparative examples, wherein the dot structure of the display panel of comparative examples is only provided with the first pixel electrode and does not arrange insulation course and the second pixel electrode, curve A depicts the penetrance distribution of the dot structure of the display panel of comparative examples, curve B depicts the penetrance distribution of the dot structure of the display panel of the present embodiment, transverse axis is the distance (unit is micron) of the horizontal direction of the dot structure of display panel, the longitudinal axis is penetrance (without unit).As shown in Figure 8, curve A demonstrates penetrance distribution and has the situation significantly just replaced, and the dot structure representing the display panel of comparative examples has serious dark line problem.It is comparatively level and smooth and continuous that curve B demonstrates penetrance distribution, confirms that the dot structure of the display panel of the present embodiment can improve the problem of electric field distorting really, and effectively eliminate dark line problem.
Please refer to Fig. 9.Fig. 9 depicts the penetrance of the dot structure of the dot structure of the display panel of the present embodiment and the display panel of comparative examples and the graph of a relation of driving voltage, wherein the dot structure of the display panel of comparative examples is only provided with the first pixel electrode and does not arrange insulation course and the second pixel electrode, curve C depicts the penetrance of the dot structure of the display panel of comparative examples and the graph of a relation of driving voltage, curve D depicts the penetrance of the dot structure of the display panel of the present embodiment and the graph of a relation of driving voltage, transverse axis is driving voltage (unit is volt), the longitudinal axis is penetrance.As shown in Figure 9, when driving voltage is greater than about 6 volts (6V), the penetrance of curve D, all higher than the penetrance of curve C, confirms that the dot structure of the display panel of the present embodiment can improve the problem of electric field distorting under high gray operation really, and effectively promotes penetrance.
The dot structure of display panel of the present invention is not limited with above-described embodiment.Hereafter will sequentially introduce the dot structure of the display panel of other embodiments of the invention, and for the ease of the deviation of more each embodiment and simplified illustration, identical symbol is used to mark identical element in the following embodiments, and be described mainly for the deviation of each embodiment, and no longer repeating part is repeated.
Please refer to Figure 10 to Figure 12.Figure 10 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the second embodiment of the present invention, Figure 11 depicts the upper schematic diagram of the dot structure of the display panel of the second embodiment of the present invention, the diagrammatic cross-section of the dot structure of display panel of Figure 12 for illustrating along the B-B ' hatching line of Figure 11.As shown in Figure 10 to Figure 12, be different from the first embodiment, the first pixel electrode 12 of the dot structure 2 of the display panel of the present embodiment does not comprise main part, and the branch electrodes connection that each branch electrodes is corresponding with another.Speak by the book, the first end 121A of the first branch electrodes 121 of a part is connected with the first end 122A of the second branch electrodes 122 of a part, and the first end 121A of first branch electrodes 121 of another part is connected with the first end 124A of the 4th branch electrodes 124 of a part; The first end 122A of the second branch electrodes 122 of a part is connected with the first end 121A of the first branch electrodes 121 of a part, and the first end 122A of second branch electrodes 122 of another part is connected with the first end 123A of the 3rd branch electrodes 123 of a part; The first end 123A of the 3rd branch electrodes 123 of a part is connected with the first end 122A of the second branch electrodes 122 of a part, and the first end 123A of the 3rd branch electrodes 123 of another part is connected with the first end 124A of the 4th branch electrodes 124 of a part; The first end 124A of the 4th branch electrodes 124 of a part is connected with the first end 123A of the 3rd branch electrodes 123 of a part, and the first end 124A of the 4th branch electrodes 124 of another part is connected with the first end 121A of the first branch electrodes 121 of a part.In addition, second pixel electrode 16 comprises in fact cruciform electrode, and the first end 124A of the first end 121A of the second pixel electrode 16 and the first branch electrodes 121, the first end 122A of the second branch electrodes 122, the first end 123A of the 3rd branch electrodes 123 and the 4th branch electrodes 124 overlaps in fact on the Z of vertical projection direction.
Please refer to Figure 13 to Figure 15.Figure 13 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the third embodiment of the present invention, Figure 14 depicts the upper schematic diagram of the dot structure of the display panel of the third embodiment of the present invention, the diagrammatic cross-section of the dot structure of display panel of Figure 15 for illustrating along the C-C ' hatching line of Figure 14.As shown in FIG. 13 to 15, be different from previous embodiment, the main part 12M of the first pixel electrode 12 of the dot structure 3 of the display panel of the present embodiment is positioned at the common boundary in the first orientation district 101 of a part, the second orientation district 102 of a part, the 3rd orientation district 103 of a part, the 4th orientation district 104 of a part and wantonly two adjacent orientation districts.In addition, the main part 12M of the first pixel electrode 12 is connected with the first end 124A of the first end 122A of the first end 121A of each first branch electrodes 121, each second branch electrodes 122, the first end 123A of each 3rd branch electrodes 123 and each 4th branch electrodes 124 respectively, and the main part 12M of the first pixel electrode 12 and the second pixel electrode 16 overlap in fact on the Z of vertical projection direction.For example, the main part 12M of first pixel electrode 12 of the present embodiment comprises in fact a rectangular electrode (or can be considered a rhombus electrode), rectangular electrode comprises a first side S1, one second side S2, one a 3rd side S3 and four side S4, wherein first side S1 is positioned at the first orientation district 101 vertical with the first branch electrodes 121 in fact, it is also vertical with the second branch electrodes 122 in fact that second side S2 is positioned at the second orientation district 102, it is also vertical with the 3rd branch electrodes 123 in fact that 3rd side S3 is positioned at the 3rd orientation district 103, it is also vertical with the 4th branch electrodes 124 in fact that four side S4 is positioned at the 4th orientation district 104, and the second pixel electrode 16 comprises in fact cruciform electrode, but not as limit.First side S1, the second side S2 of rectangular electrode, the 3rd side S3 and four side S4 are not defined as vertical with the 4th branch electrodes 124 with the first corresponding branch electrodes 121, second branch electrodes 122, the 3rd branch electrodes 123.In an alternate embodiment, first side S1, the second side S2 of rectangular electrode, the 3rd side S3 and four side S4 and corresponding the first branch electrodes 121, second branch electrodes 122, the 3rd branch electrodes 123 and the 4th branch electrodes 124 also can out of plumb, that is to have be not the angle at right angle.
Please refer to Figure 16 to Figure 18.Figure 16 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the fourth embodiment of the present invention, Figure 17 depicts the upper schematic diagram of the dot structure of the display panel of the fourth embodiment of the present invention, the diagrammatic cross-section of the dot structure of display panel of Figure 18 for illustrating along the D-D ' hatching line of Figure 17.As shown in Figure 16 to Figure 18, the formation of main part 12M of the first pixel electrode 12 of the dot structure 4 of the display panel of the present embodiment and the connected mode of branch electrodes and the 3rd embodiment similar, its difference is that the main part 12M of first pixel electrode 12 of the present embodiment has more the common boundary that opening 12X corresponds to wantonly two adjacent orientation districts.That is, opening 12X between the first orientation district 101 and the second orientation district 102, between the second orientation district 102 and the 3rd orientation district 103, between the 3rd orientation district 103 and the 4th orientation district 104, and between the 4th orientation district 104 and the first orientation district 101.In addition, the opening 12X of the main part 12M of the first pixel electrode 12 and the second pixel electrode 16 overlap at least partly in fact on the Z of vertical projection direction.For example, the opening 12X of the main part 12M of the first pixel electrode 12 comprises cross-shaped aperture in fact, and the second pixel electrode 16 comprises in fact cruciform electrode.In addition, the width of the opening 12X of the main part 12M of the first pixel electrode 12 can slightly larger than the width of the second pixel electrode 16, but not as limit.
Please refer to Figure 19 to Figure 21.Figure 19 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the fifth embodiment of the present invention, Figure 20 depicts the upper schematic diagram of the dot structure of the display panel of the fifth embodiment of the present invention, the diagrammatic cross-section of the dot structure of display panel of Figure 21 for illustrating along the F-F ' hatching line of Figure 20.As shown in Figure 19 to Figure 21, in the dot structure 5 of the display panel of the present embodiment, the main part 12M of the first pixel electrode 12 is positioned at a common boundary in wantonly two adjacent orientation districts, that is, main part 12M between the first orientation district 101 and the second orientation district 102, between the second orientation district 102 and the 3rd orientation district 103, between the 3rd orientation district 103 and the 4th orientation district 104, and between the 4th orientation district 104 and the first orientation district 101.In addition, a first end 124A of main part 12M and a first end 122A of a first end 121A and the one second end 121B of the first branch electrodes 12 of a part, the second branch electrodes 122 of a part and a first end 123A of one second end 122B, the 3rd a part of branch electrodes 123 and the one second end 123B of the first pixel electrode 12 and the 4th branch electrodes 124 of a part is connected with one second end 124B.Moreover a first end 124A of the 4th branch electrodes 124 of a first end 123A of outer frame 12P and a first end 121A of first branch electrodes 121 of another part and a first end 122A of second branch electrodes 122 of one second end 121B, another part and the 3rd branch electrodes 123 of one second end 122B, another part and one second end 123B and another part is connected with one second end 124B.In addition, the second pixel electrode 16 is arranged in the outer boundaries (right side boundary of such as figure) in the first orientation district 101, the outer boundaries (left border of such as figure) in the second orientation district 102, the outer boundaries (left border of such as figure) in the 3rd orientation district 103, the outer boundaries (right side boundary of such as figure) in the 4th orientation district 104, the first orientation district 101 and a common boundary in the 4th orientation district 104 and a common border in the second orientation district 102 and the 3rd orientation district 103.For example, in the present embodiment, the main part 12M of the first pixel electrode 12 comprises in fact cruciform electrode, and the second pixel electrode 16 comprises in fact a H font electrode, but not as limit.
Please refer to Figure 22.Figure 22 depicts the upper schematic diagram of the dot structure of the display panel of an alternate embodiment of the fifth embodiment of the present invention.As shown in figure 22, in the dot structure 5 ' of the display panel of this alternate embodiment, the pattern of the first pixel electrode 12 is identical with the pattern of the first pixel electrode 12 of the 5th embodiment.Be different from the 5th embodiment part to be, second pixel electrode 16 is arranged in two outer boundaries (right side boundary of such as figure and boundary) in the first orientation district 101, two outer boundaries (left border in such as figure and boundary) in the second orientation district 102, two outer boundaries (left border in such as figure and border, downside) in the 3rd orientation district 103 and two outer boundaries (right side boundary in such as figure and border, downside) in the 4th orientation district 104, that is, second pixel electrode 16 comprises in fact a square shape electrode, around encirclement first orientation district 101, second orientation district 102, 3rd orientation district 103 and the 4th orientation district 104.
Please refer to Figure 23 and Figure 24.Figure 23 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the sixth embodiment of the present invention, and Figure 24 depicts the upper schematic diagram of the dot structure of the display panel of the sixth embodiment of the present invention.As shown in Figure 23 and Figure 24, in the dot structure 6 of the display panel of the present embodiment, the pattern of the pattern of the first pixel electrode 12 and the first pixel electrode 12 of the first embodiment is similar, and the configuration of its main part 12M, outer frame 12P and branch electrodes does not repeat them here.The second pixel electrode 16 be in, the present embodiment being different from the first embodiment is arranged in the outer boundaries (right side boundary of such as figure and border, downside) in two outer boundaries (right side boundary of such as figure and boundary) in the first orientation district 101, the outer boundaries (left border of such as figure and boundary) in the second orientation district 102, the outer boundaries (left border of such as figure and border, downside) in the 3rd orientation district 103 and the 4th orientation district 104.Speak by the book, the main part 12M of the first pixel electrode 12 comprises in fact cruciform electrode, second pixel electrode 16 comprises in fact a square shape electrode, around orientation district 102 of encirclement first orientation district 101, second, the 3rd orientation district 103 and the 4th orientation district 104.
Please refer to Figure 25 to Figure 29.Figure 25 depicts the upper schematic diagram of the first pixel electrode of the dot structure of the display panel of the seventh embodiment of the present invention, Figure 26 depicts the upper schematic diagram of the patterned insulation layer of the dot structure of the display panel of the seventh embodiment of the present invention, Figure 27 depicts the upper schematic diagram of the second pixel electrode of the dot structure of the display panel of the seventh embodiment of the present invention, Figure 28 depicts the upper schematic diagram of the dot structure of the display panel of the seventh embodiment of the present invention, and the diagrammatic cross-section of the dot structure of display panel of Figure 29 for illustrating along the E-E ' hatching line of Figure 28.As shown in Figure 25, Figure 28 and Figure 29, be different from the aforementioned first to the 6th embodiment, in the dot structure 7 of the display panel of the present embodiment, first pixel electrode 12 is essentially one whole electrode, it is complete haply contains the first orientation district 102 of orientation district 101, second, the 3rd orientation district 103 and the 4th orientation district 104, and does not have slit or opening etc.In addition, the insulation course of the present embodiment is a patterned insulation layer 15, instead of whole insulation course, as shown in Figure 20, Figure 23 and Figure 24.Patterned insulation layer 15 is arranged on first substrate 10 and also partly covers the first pixel electrode 12, wherein patterned insulation layer 15 comprises many bar insulations branch pattern, and it comprises many articles first insulation branch patterns 151, many articles second insulation branch patterns 152, many articles the 3rd insulation branch patterns 153 and many articles the 4th insulation branch patterns 154.First insulation branch pattern 151 is arranged in the first orientation district 101 and the first insulation branch pattern 151 at least partially extends towards first direction D1 in fact; Second insulation branch pattern 152 is arranged in the second orientation district 102 and the second insulation branch pattern 152 at least partially extends towards second direction D2 in fact; 3rd insulation branch pattern 153 is arranged in the 3rd orientation district 103 and the 3rd insulation branch pattern 153 at least partially extends towards third direction D3 in fact; And the 4th insulation branch pattern 154 to be arranged in the 4th orientation district 104 and the 4th insulation branch pattern 154 at least partially extends towards fourth direction D4 in fact, wherein first direction D1, second direction D2, third direction D3 and fourth direction D4 are different from each other.In addition, between wantonly two adjacent insulation branch patterns, there is a slit 15S.Second pixel electrode 16 of the present embodiment can be identical with previous embodiment, and such as the second pixel electrode 16 comprises in fact cruciform electrode, but not as limit.In addition, the patterned insulation layer 15 of the present embodiment more can comprise insulative body portion 15M, is positioned at the common boundary in the first orientation district 101 of a part, the second orientation district 102 of a part, the 3rd orientation district 103 of a part, the 4th orientation district 104 of a part and wantonly two adjacent orientation districts.Insulative body portion 15M one end 151A, each second of branch's pattern 151 one end 152A, each 3rd of branch's pattern 152 one end 153A of branch's pattern 153 and each 4th one end 154A insulating branch's pattern 154 that insulate that insulate that insulate with each first is respectively connected, and wherein the second pixel electrode 16 overlaps in fact with the insulative body portion 15M of patterned insulation layer 15 on the Z of vertical projection direction.For example, the insulative body portion 15M of patterned insulation layer 15 has a rectangular dielectric pattern, and rectangular dielectric pattern comprises a first side Z1, a second side Z2, one a 3rd side Z3 and four side Z4.It is also vertical with first direction D1 in fact that first side Z1 is positioned at the first orientation district 101, it is also vertical with second direction D2 in fact that second side Z2 is positioned at the second orientation district 102, it is also vertical with third direction D3 in fact that 3rd side Z3 is positioned at the 3rd orientation district 103, and it is also vertical with fourth direction D4 in fact that four side Z4 is positioned at the 4th orientation district 104.In addition, the first alignment film 18 to be arranged on first substrate 10 and to cover the second pixel electrode 16, patterned insulation layer 15 and the first pixel electrode 12, and the second alignment film 24 to be arranged on second substrate 20 and to cover common electrode 22.
The type of drive of the dot structure of the display panel of the of the present invention second to the 7th embodiment is identical with the dot structure of the display panel of the first embodiment, does not repeat them here.
Please refer to Figure 30 and Figure 31.Figure 30 depicts the upper schematic diagram of the dot structure of the display panel of the eighth embodiment of the present invention, the diagrammatic cross-section of the dot structure of display panel of Figure 31 for illustrating along the G-G ' hatching line of Figure 30.As shown in Figure 30 and Figure 31, the dot structure 7 of the dot structure 8 of the display panel of the present embodiment and the display panel of the 7th embodiment is similar, and its difference is that the dot structure 8 of the display panel of the present embodiment does not comprise the second pixel electrode.That is, the patterned insulation layer 15 that the dot structure 8 of the display panel of the present embodiment only utilizes the first pixel electrode 12 and arranges thereon, can reach the black line width of the common boundary in reduction orientation district and improve the effect of penetrance.When not having the second pixel electrode, the first alignment film 18 to be arranged on first substrate 10 and coverage diagram patterning insulation course 15 and the first pixel electrode 12, and the second alignment film 24 is arranged on second substrate 20 and cover common electrode 22.
In sum, the dot structure of display panel of the present invention arranges insulation course between the first pixel electrode and liquid crystal layer, with the electric field distorting that the edge at the edge and branch electrodes that reduce the stem portion of the first pixel electrode produces because of fringe field effects, and the equipotential plane change that utilization is arranged at the second pixel electrode between insulation course and liquid crystal layer to be provided replaces fringe field, effectively can eliminate the irregular alignment phenomenon of liquid crystal molecule, avoid dark line produce and improve penetrance.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (23)

1. a dot structure for display panel, comprising:
One first substrate, this first substrate has multiple orientation district, and described multiple orientation district comprises one first orientation district, one second orientation district, one the 3rd orientation district and one the 4th orientation district;
One second substrate, with this first substrate in the face of arranging;
One liquid crystal layer, comprise multiple liquid crystal molecule, wherein said multiple liquid crystal molecule is arranged between this first substrate and this second substrate, and be positioned at this first orientation district, this second orientation district, the 3rd orientation district and the 4th orientation district described multiple liquid crystal molecule there is different alignment direction;
One first pixel electrode, is arranged on this first substrate, and wherein this first pixel electrode is a patterned electrodes, and it comprises:
Many the first branch electrodes, are arranged in this first orientation district, and wherein described many first branches are at least partially in fact along a first direction arrangement;
Many the second branch electrodes, are arranged in this second orientation district, and wherein described many second branches are at least partially in fact along a second direction arrangement;
Many articles of the 3rd branch electrodes, are arranged in the 3rd orientation district, and wherein described many articles of the 3rd branches are at least partially in fact along a third direction arrangement; And
Many articles of the 4th branch electrodes, be arranged in the 4th orientation district, wherein described many articles of the 4th branches are at least partially in fact along a fourth direction arrangement, this first direction, this second direction, this third direction and this fourth direction are different from each other, and described many articles of the first branch electrodes, described many articles of the second branch electrodes, described many articles of the 3rd branch electrodes and described many articles of the 4th branch electrodes are electrically connected;
One insulation course, to be arranged on this first substrate and to cover this first pixel electrode;
One second pixel electrode, is arranged on this insulation course, and wherein this second pixel electrode is a patterned electrodes, is arranged at least one border in respectively this orientation district; And
One common electrode, is arranged on this second substrate.
2. the dot structure of display panel as claimed in claim 1, wherein this first pixel electrode separately comprises an outer frame, around this first orientation district of encirclement, this second orientation district, the 3rd orientation district and the 4th orientation district, and connect described many articles of the first branch electrodes, described many articles of the second branch electrodes, described many articles of the 3rd branch electrodes and described many articles of the 4th branch electrodes.
3. the dot structure of display panel as claimed in claim 2, wherein this first pixel electrode separately comprises a main part, this main body section of this first pixel electrode is in a common boundary in wantonly two adjacent described multiple orientation districts, and this main part of this first pixel electrode respectively with a first end of each this first branch electrodes, a respectively first end of this second branch electrodes, respectively the 3rd branch electrodes a first end and respectively the 4th branch electrodes one first end connect, and one second end of this outer frame and respectively this first branch electrodes, respectively one second end of this second branch electrodes, respectively the 3rd branch electrodes one second end and respectively the 4th branch electrodes one second end connect.
4. the dot structure of display panel as claimed in claim 3, wherein this second pixel electrode is positioned at this common boundary in wantonly two adjacent described multiple orientation districts, and this main part of this first pixel electrode and this second pixel electrode overlap in fact on a vertical projection direction.
5. the dot structure of display panel as claimed in claim 3, wherein this second pixel electrode is around this first orientation district of encirclement, this second orientation district, the 3rd orientation district and the 4th orientation district, and this outer frame of this first pixel electrode and this second pixel electrode overlap in fact on a vertical projection direction.
6. the dot structure of display panel as claimed in claim 1, wherein a first end of described many first branch electrodes of a part is connected with a first end of described many second branch electrodes of a part, one first end of described many articles of first branch electrodes of another part is connected with a first end of described many articles of the 4th branch electrodes of a part, one first end of described many articles of the 3rd branch electrodes of a part connects and is connected with a first end of described many articles of second branch electrodes of another part, one first end of described many articles of the 3rd branch electrodes of another part is connected with a first end of described many articles of the 4th branch electrodes of another part, and this first end of this second pixel electrode and described many first branch electrodes, this first end of described many second branch electrodes, this first end of described many articles of the 3rd branch electrodes and this first end of described many articles of the 4th branch electrodes overlap in fact on a vertical projection direction.
7. the dot structure of display panel as claimed in claim 2, wherein this first pixel electrode separately comprises a main part, this main body section of this first pixel electrode is in this first orientation district of a part, this the second orientation district of a part, 3rd orientation district of a part, in 4th orientation district of a part and a common boundary in wantonly two adjacent described multiple orientation districts, one first end of this main part of this first pixel electrode and each this first branch electrodes, a respectively first end of this second branch electrodes, respectively the 3rd branch electrodes a first end and respectively the 4th branch electrodes one first end connect, one second end of this outer frame and respectively this first branch electrodes, respectively one second end of this second branch electrodes, respectively the 3rd branch electrodes one second end and respectively the 4th branch electrodes one second end connect, and this second pixel electrode is positioned at this common boundary in wantonly two adjacent described multiple orientation districts.
8. the dot structure of display panel as claimed in claim 7, wherein this main part of this first pixel electrode has a rectangular electrode, this rectangular electrode comprises a first side, one second side, one the 3rd side and a four side, it is also vertical with described many first branch electrodes in fact that this first side is positioned at this first orientation district, it is also vertical with described many second branch electrodes in fact that this second side is positioned at this second orientation district, it is also vertical with described many articles of the 3rd branch electrodes in fact that 3rd side is positioned at the 3rd orientation district, it is also vertical with described many articles of the 4th branch electrodes in fact that this four side is positioned at the 4th orientation district, and this second pixel electrode comprises a cruciform electrode.
9. the dot structure of display panel as claimed in claim 8, wherein this main part of this first pixel electrode has this common boundary that an opening corresponds to wantonly two adjacent described multiple orientation districts, and this opening of this main part of this first pixel electrode and this second pixel electrode at least partly overlap on a vertical projection direction.
10. the dot structure of display panel as claimed in claim 2, wherein this first pixel electrode separately comprises a main part, this main body section of this first pixel electrode is in a common boundary in wantonly two adjacent described multiple orientation districts, this main part of this first pixel electrode and the two ends of described many first branch electrodes of a part, the two ends of described many second branch electrodes of a part, the two ends of described many articles of the 3rd branch electrodes of a part and the two ends of described many articles of the 4th branch electrodes of a part connect, the two ends of described many first branch electrodes of this outer frame and another part, the two ends of described many second branch electrodes of another part, the two ends of the two ends of described many articles of the 3rd branch electrodes of another part and described many articles of the 4th branch electrodes of another part connect.
The dot structure of 11. display panels as claimed in claim 10, wherein this second pixel electrode is positioned at the outer boundaries in this first orientation district, the outer boundaries in this second orientation district, the outer boundaries in the 3rd orientation district, the outer boundaries in the 4th orientation district, this first orientation district and a common boundary in the 4th orientation district and a common border in this second orientation district and the 3rd orientation district.
The dot structure of 12. display panels as claimed in claim 10, wherein this second pixel electrode is positioned at two outer boundaries in two outer boundaries in this first orientation district, two outer boundaries in this second orientation district, two outer boundaries in the 3rd orientation district and the 4th orientation district, with around this first orientation district of encirclement, this second orientation district, the 3rd orientation district and the 4th orientation district.
The dot structure of 13. display panels as claimed in claim 1, wherein this first pixel electrode and this second pixel electrode are electrically connected to each other.
The dot structure of 14. display panels as claimed in claim 1, wherein this first pixel electrode is not connected each other with this second pixel electrode, this first pixel electrode has one first driving voltage, this second pixel electrode has one second driving voltage, and wherein the second driving voltage is greater than this first driving voltage.
The dot structure of 15. display panels as claimed in claim 1, separately comprises:
One first alignment film, to be arranged on this first substrate and to cover this insulation course and this second pixel electrode, and wherein this first alignment film has one first polymerization macromolecule and assists both alignment layers; And
One second alignment film, to be arranged on this second substrate and to cover this common electrode, and wherein this second alignment film has one second polymerization macromolecule and assists both alignment layers.
The dot structure of 16. 1 kinds of display panels, comprising:
One first substrate, this first substrate has multiple orientation district, and described multiple orientation district comprises one first orientation district, one second orientation district, one the 3rd orientation district and one the 4th orientation district;
One second substrate, with this first substrate in the face of arranging;
One liquid crystal layer, comprise multiple liquid crystal molecule, wherein said multiple liquid crystal molecule is arranged between this first substrate and this second substrate, and be positioned at this first orientation district, this second orientation district, the 3rd orientation district and the 4th orientation district described multiple liquid crystal molecule there is different alignment direction;
One first pixel electrode, is arranged on this first substrate, and wherein this first pixel electrode is essentially one whole electrode, is arranged in this first orientation district, this second orientation district, the 3rd orientation district and the 4th orientation district;
One patterned insulation layer, being arranged on this first substrate and covering this first pixel electrode, wherein this patterned insulation layer comprises:
Many first insulation branch patterns, are arranged in this first orientation district, and wherein described many first insulation branch patterns at least partially extend towards a first direction in fact;
Many second insulation branch patterns, are arranged in this second orientation district, and wherein described many second insulation branch patterns at least partially extend towards a second direction in fact;
Many articles the 3rd insulation branch patterns, are arranged in the 3rd orientation district, and wherein described many articles the 3rd insulation branch patterns at least partially extend towards a third direction in fact; And
Many articles the 4th insulation branch patterns, be arranged in the 4th orientation district, wherein described many articles the 4th insulation branch patterns at least partially extend towards a fourth direction in fact, and this first direction, this second direction, this third direction and this fourth direction are different from each other; And
One common electrode, is arranged on this second substrate.
The dot structure of 17. display panels as claimed in claim 16, separately comprises:
One first alignment film, to be arranged on this first substrate and to cover this patterned insulation layer, and wherein this first alignment film has one first polymerization macromolecule and assists both alignment layers; And
One second alignment film, to be arranged on this second substrate and to cover this common electrode, and wherein this second alignment film has one second polymerization macromolecule and assists both alignment layers.
The dot structure of 18. display panels as claimed in claim 16, wherein this patterned insulation layer more comprises an insulative body portion, be positioned at a shared border in this first orientation district of a part, this second orientation district of a part, the 3rd orientation district of a part, the 4th orientation district of a part and wantonly two adjacent described multiple orientation districts, this insulative body portion with respectively this first insulate branch's pattern one end, respectively this second insulate branch's pattern one end, respectively the 3rd insulate branch's pattern one end and respectively the 4th one end of insulating branch's pattern be connected.
The dot structure of 19. display panels as claimed in claim 18, wherein this insulative body portion has a rectangular dielectric pattern, this rectangular dielectric pattern comprises a first side, one second side, one the 3rd side and a four side, it is also vertical with this first direction in fact that this first side is positioned at this first orientation district, it is also vertical with this second direction in fact that this second side is positioned at this second orientation district, it is also vertical with this third direction in fact that 3rd side is positioned at the 3rd orientation district, it is also vertical with this fourth direction in fact that this four side is positioned at the 4th orientation district.
The dot structure of 20. display panels as claimed in claim 18, separately comprise one second pixel electrode, be arranged on this patterned insulation layer, wherein this second pixel electrode is positioned at this shared border in wantonly two adjacent described multiple orientation districts, and this insulative body portion of this second pixel electrode and this patterned insulation layer overlaps in fact on a vertical projection direction.
The dot structure of 21. display panels as claimed in claim 20, wherein this first pixel electrode and this second pixel electrode are electrically connected to each other.
The dot structure of 22. display panels as claimed in claim 20, separately comprises:
One first alignment film, to be arranged on this first substrate and to cover this patterned insulation layer and this second pixel electrode, and wherein this first alignment film has one first polymerization macromolecule and assists both alignment layers; And
One second alignment film, to be arranged on this second substrate and to cover this common electrode, and wherein this second alignment film has one second polymerization macromolecule and assists both alignment layers.
The dot structure of 23. display panels as claimed in claim 20, wherein this first pixel electrode is not connected each other with this second pixel electrode, this first pixel electrode has one first driving voltage, this second pixel electrode has one second driving voltage, and this second driving voltage is greater than this first driving voltage.
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